amyp68347 wrote an answer about Sawyer 2-Liter Complete Water Treatment System on January 7, 2013
If there is air in the tubing it will slow down the flow. What I do is have water fill the whole tube/push out all the air, then snap on the filter to the tubing. I can get 2L in about 2min. after I do that. One reason platypus flows faster is it has a larger micron size.